231/237 still a decent cam?
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I am still in the process of tuning and getting this thing tweaked, but I see so many people talking about FMS cams and G5X's and no one mentions the 231/237 any more. Is this cam that outdated?
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Originally Posted by 777
it wasn't designed to make big numbers like these other cams so not many people want it anymore...it was designed to be big and easy on springs...it has very soft lobes
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I had it in my car. Made great peak power, waaaaay up there in the rev range. It broke the 460rwhp mark with some TEA 1.5's, 90/90 and QTP HVM LT's. It seemed like the more you let it breathe, the more it would give you back. It kept giving and giving. It's your typical max effort cam.
Easy on springs, lopes hard. Still has its place I'd say. Great cam. The newer grinds provide just as much peak, with more meat under the curve, across the rev range however.
Easy on springs, lopes hard. Still has its place I'd say. Great cam. The newer grinds provide just as much peak, with more meat under the curve, across the rev range however.
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Originally Posted by 777
it wasn't designed to make big numbers like these other cams so not many people want it anymore...it was designed to be big and easy on springs...it has very soft lobes
It wasn't desinged to make big numbers? I disagree. The more breathing room I threw at this cam (heads, 90/90, QTP HVM LT's), the more it gave. 460+rwhp ain't too shabby.
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Originally Posted by black_ws6
I am still in the process of tuning and getting this thing tweaked, but I see so many people talking about FMS cams and G5X's and no one mentions the 231/237 any more. Is this cam that outdated?
The 231 is outdated, even the TSP reps on here agree.
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Originally Posted by 5POINT7
Ha, look at your trap speed man. I think you answered your own question. F-13,14,15's are all trapping 116-122 regardless of the quality of the tune.
The 231 is outdated, even the TSP reps on here agree.
The 231 is outdated, even the TSP reps on here agree.
Edit: I will admit it's an outdated cam.
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Last edited by SouthFL.02.SS; 05-19-2005 at 01:00 PM.
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Originally Posted by 5POINT7
Who tuned it Carlos? That's probably the best cam only 231 trap I've ever seen.
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Originally Posted by 5POINT7
Ha, look at your trap speed man. I think you answered your own question. F-13,14,15's are all trapping 116-122 regardless of the quality of the tune.
The 231 is outdated, even the TSP reps on here agree.
The 231 is outdated, even the TSP reps on here agree.
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Originally Posted by SouthFL.02.SS
It wasn't desinged to make big numbers? I disagree. The more breathing room I threw at this cam (heads, 90/90, QTP HVM LT's), the more it gave. 460+rwhp ain't too shabby. ![Happy](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_stretch.gif)
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fyi my cam isn't all that great on start-ups either...so i think it may just be the cam...i had formato tune it...
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Originally Posted by 777
i guess i should rephrase this to say that it's main focus was on spring life...that is what tsp has said...
fyi my cam isn't all that great on start-ups either...so i think it may just be the cam...i had formato tune it...
fyi my cam isn't all that great on start-ups either...so i think it may just be the cam...i had formato tune it...
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The cam itself consistently adds 50 RWHP. Yes the lobes aren't as aggressive as an XER lobe or most of the lobe profiles out today. The cam was designed about 2 years when there weren't any springs to support the big lifts and aggressive profiles out today. The cam is still a good cam and makes good power. With a good tune the cam should drive fine. I had this cam in my car for about a year and a half driving both in town and on the highway every day! By the way, the cam loves nitrous! ![Happy](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_stretch.gif)
black_ws6: What bolt ons do you have on the car? What was the weather like? All those things play into figuring if you are trapping the right e.t. and MPH. I wouldn't think the cam alone is to blame for the low MPH.
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black_ws6: What bolt ons do you have on the car? What was the weather like? All those things play into figuring if you are trapping the right e.t. and MPH. I wouldn't think the cam alone is to blame for the low MPH.
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Originally Posted by Jon@Texas-Speed
black_ws6: What bolt ons do you have on the car? What was the weather like? All those things play into figuring if you are trapping the right e.t. and MPH. I wouldn't think the cam alone is to blame for the low MPH.
SLP LID, smooth bellows, LT's, y-pipe, loudmouth
high flow cats
LS6 intake
TR220
This was good for 12.7x's @ 111-113 MPH on street tires
I have added: 231/237 cam, Comp 918's, Ported TB, MT Street Radials and a different tune that I believe was not too good. I still need to go to the track to see for sure, but I couldn't break the tires loose from a 1st gear roll at about 10 MPH with the original tune I loaded this winter. Now I can blister the tires from a 10-15 MPH roll in first with the new tune I am working on.
The day I went to the track weather was decent, sunny and about 70.
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Originally Posted by black_ws6
Last year:
SLP LID, smooth bellows, LT's, y-pipe, loudmouth
high flow cats
LS6 intake
TR220
This was good for 12.7x's @ 111-113 MPH on street tires
I have added: 231/237 cam, Comp 918's, Ported TB, MT Street Radials and a different tune that I believe was not too good. I still need to go to the track to see for sure, but I couldn't break the tires loose from a 1st gear roll at about 10 MPH with the original tune I loaded this winter. Now I can blister the tires from a 10-15 MPH roll in first with the new tune I am working on.
The day I went to the track weather was decent, sunny and about 70.
SLP LID, smooth bellows, LT's, y-pipe, loudmouth
high flow cats
LS6 intake
TR220
This was good for 12.7x's @ 111-113 MPH on street tires
I have added: 231/237 cam, Comp 918's, Ported TB, MT Street Radials and a different tune that I believe was not too good. I still need to go to the track to see for sure, but I couldn't break the tires loose from a 1st gear roll at about 10 MPH with the original tune I loaded this winter. Now I can blister the tires from a 10-15 MPH roll in first with the new tune I am working on.
The day I went to the track weather was decent, sunny and about 70.
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Originally Posted by black_ws6
Last year:
SLP LID, smooth bellows, LT's, y-pipe, loudmouth
high flow cats
LS6 intake
TR220
This was good for 12.7x's @ 111-113 MPH on street tires
I have added: 231/237 cam, Comp 918's, Ported TB, MT Street Radials and a different tune that I believe was not too good. I still need to go to the track to see for sure, but I couldn't break the tires loose from a 1st gear roll at about 10 MPH with the original tune I loaded this winter. Now I can blister the tires from a 10-15 MPH roll in first with the new tune I am working on.
The day I went to the track weather was decent, sunny and about 70.
SLP LID, smooth bellows, LT's, y-pipe, loudmouth
high flow cats
LS6 intake
TR220
This was good for 12.7x's @ 111-113 MPH on street tires
I have added: 231/237 cam, Comp 918's, Ported TB, MT Street Radials and a different tune that I believe was not too good. I still need to go to the track to see for sure, but I couldn't break the tires loose from a 1st gear roll at about 10 MPH with the original tune I loaded this winter. Now I can blister the tires from a 10-15 MPH roll in first with the new tune I am working on.
The day I went to the track weather was decent, sunny and about 70.
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Originally Posted by amwellls1
I told you to bring it down so we can work on that tune and those 3.42's are killing you!
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BTW, I may have a bad O2 sensor that is causing the car to stay in open loop. I am going to try to get that taken care of before we try to tune it.